Loeb, AbrahamImara, Nia2017-07-142017Loeb, Abraham, and Nia Imara. 2017. “Astrophysical Russian Dolls.” Nature Astronomy 1 (1) (January 4): 0006. doi:10.1038/s41550-016-0006.2397-3366http://nrs.harvard.edu/urn-3:HUL.InstRepos:33447342Are there examples of "astrophysical Russian dolls," and what could we learn from their similarities? In this article, we list a few such examples, including disks, filaments, and clusters. We suggest that forging connections across disciplinary borders enhances our perception of beauty, while simultaneously leading to a more comprehensive understanding of the Universe.en-USJournal Article2017-02-1320172017-07-1410.1038/s41550-016-0006